/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.clusterframework.messages;

import akka.actor.ActorRef;
import org.apache.flink.runtime.messages.RequiresLeaderSessionID;
import org.apache.flink.util.Preconditions;

/**
 * This message signals that the resource manager wants to register at the JobManager leader. 
 */
public class RegisterResourceManager implements RequiresLeaderSessionID, java.io.Serializable {
	private static final long serialVersionUID = 1L;

	private final ActorRef resourceManager;
	
	public RegisterResourceManager(ActorRef resourceManager) {
		this.resourceManager = Preconditions.checkNotNull(resourceManager);
	}
	
	public ActorRef resourceManager() {
		return resourceManager;
	}

	@Override
	public String toString() {
		return "RegisterResourceManager " + resourceManager.path();
	}
}
